Precision Micropower, Low Dropout Voltage References

GENERAL DESCRIPTION The REF19x series precision band gap voltage references use a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy. FEATURES Initial ac

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Precision Micropower, Low Dropout Voltage References

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3.0V精密、微功耗、低壓差、低壓基準(zhǔn)電壓源

REF19x系列精密帶隙基準(zhǔn)電壓源采用溫度漂移曲率校正專利電路，并對高穩(wěn)定性薄膜電阻進(jìn)行激光調(diào)整，從而實現(xiàn)極低的溫度系數(shù)和高初始精度。 該系列由微功耗、低壓差(LDV)器件組成，可利用僅比輸出電壓高出100 mV的電源提供穩(wěn)定的輸出電壓，耗用的電源電流低于45 μA。通過對SLEEP引腳施加低TTL或CMOS電平，可以使能休眠模式。在休眠模式下，輸出關(guān)閉，電源電流進(jìn)一步降至15 μA以下。\n\n REF19x系列基準(zhǔn)電壓源的額定溫度范圍為?40°C至+85°C工業(yè)溫度范圍，典型性能規(guī)格的溫度范圍為?40°C至+125°C，適合汽車等應(yīng)用領(lǐng)域。???\n\n 電氣 ? 初始精度：±2 mV（最大值）\n\n? 溫度系數(shù)：5 ppm/°C（最大值）\n\n? 低電源電流：45 μA（最大值）\n\n? 休眠模式：15 μA（最大值）;

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REF19xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References

1 Features 1? Two Outputs, VREF and VREF / 2, for Convenient Use in Single-Supply Systems ? Excellent Temperature Drift Performance: – 25 ppm/°C (max) from –40°C to 125°C ? High Initial Accuracy: ±0.1% (max) ? VREF and VBIAS Tracking over Temperature: – 6 ppm/°C (max) from –40°C to 85°C

文件：2.10194 Mbytes 頁數(shù)：35 Pages

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德州儀器

REF19xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References

1 Features 1? Two Outputs, VREF and VREF / 2, for Convenient Use in Single-Supply Systems ? Excellent Temperature Drift Performance: – 25 ppm/°C (max) from –40°C to 125°C ? High Initial Accuracy: ±0.1% (max) ? VREF and VBIAS Tracking over Temperature: – 6 ppm/°C (max) from –40°C to 85°C

文件：2.10194 Mbytes 頁數(shù)：35 Pages

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德州儀器

REF19xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References

1 Features 1? Two Outputs, VREF and VREF / 2, for Convenient Use in Single-Supply Systems ? Excellent Temperature Drift Performance: – 25 ppm/°C (max) from –40°C to 125°C ? High Initial Accuracy: ±0.1% (max) ? VREF and VBIAS Tracking over Temperature: – 6 ppm/°C (max) from –40°C to 85°C

文件：2.10194 Mbytes 頁數(shù)：35 Pages

TI

德州儀器

REF19xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References

1 Features 1? Two Outputs, VREF and VREF / 2, for Convenient Use in Single-Supply Systems ? Excellent Temperature Drift Performance: – 25 ppm/°C (max) from –40°C to 125°C ? High Initial Accuracy: ±0.1% (max) ? VREF and VBIAS Tracking over Temperature: – 6 ppm/°C (max) from –40°C to 85°C

文件：2.10194 Mbytes 頁數(shù)：35 Pages

TI

德州儀器

REF19xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References

1 Features 1? Two Outputs, VREF and VREF / 2, for Convenient Use in Single-Supply Systems ? Excellent Temperature Drift Performance: – 25 ppm/°C (max) from –40°C to 125°C ? High Initial Accuracy: ±0.1% (max) ? VREF and VBIAS Tracking over Temperature: – 6 ppm/°C (max) from –40°C to 85°C

文件：2.10194 Mbytes 頁數(shù)：35 Pages

TI

德州儀器

REF19xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References

1 Features 1? Two Outputs, VREF and VREF / 2, for Convenient Use in Single-Supply Systems ? Excellent Temperature Drift Performance: – 25 ppm/°C (max) from –40°C to 125°C ? High Initial Accuracy: ±0.1% (max) ? VREF and VBIAS Tracking over Temperature: – 6 ppm/°C (max) from –40°C to 85°C

文件：2.10194 Mbytes 頁數(shù)：35 Pages

TI

德州儀器

REF19xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References

1 Features 1? Two Outputs, VREF and VREF / 2, for Convenient Use in Single-Supply Systems ? Excellent Temperature Drift Performance: – 25 ppm/°C (max) from –40°C to 125°C ? High Initial Accuracy: ±0.1% (max) ? VREF and VBIAS Tracking over Temperature: – 6 ppm/°C (max) from –40°C to 85°C

文件：2.10194 Mbytes 頁數(shù)：35 Pages

TI

德州儀器